Weather on February 18
Chattanooga, TN
55 Years of Data
Avg High
55°F
Avg Low
35°F
Warmest
2026
59°F avg
Coldest
1973
26°F avg
About This Date
February 18th in Chattanooga, TN typically brings cool winter weather, with average highs around 55°F and lows near 35°F. Over 56 years of records, the warmest February 18th was in 2026 (59°F average), while the coldest was 1973 (26°F) — a 33°F range across recorded history. Precipitation has occurred on 46% of recorded February 18th dates, with snow falling 5% of the time (heaviest snowfall: 5.3"). The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
Planning for February 18th in Chattanooga, TN? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 65° | 53° | 59° | — | — |
| 2025 | 51° | 30° | 41° | — | — |
| 2024 | 52° | 27° | 40° | — | — |
| 2023 | 56° | 30° | 43° | — | — |
| 2022 | 62° | 30° | 46° | — | — |
| 2021 | 45° | 34° | 39° | 2.84" | — |
| 2020 | 59° | 50° | 55° | 2.21" | — |
| 2019 | 54° | 37° | 45° | 0.41" | — |
| 2018 | 65° | 41° | 53° | 0.3" | — |
| 2017 | 53° | 46° | 50° | 1.27" | — |
| 2016 | 60° | 28° | 44° | — | — |
| 2015 | 34° | 18° | 26° | 0.05" | 0.3" |
| 2014 | 67° | 31° | 49° | 0.43" | — |
| 2013 | 61° | 26° | 43° | — | — |
| 2012 | 62° | 38° | 50° | 0.1" | — |
| 2011 | 68° | 48° | 58° | 0.03" | — |
| 2010 | 51° | 28° | 40° | — | — |
| 2009 | 72° | 42° | 57° | 2.84" | — |
| 2008 | 56° | 41° | 48° | — | — |
| 2007 | 41° | 23° | 32° | — | — |
| 2006 | 40° | 26° | 33° | 0.23" | — |
| 2005 | 55° | 28° | 42° | — | — |
| 2004 | 57° | 27° | 42° | — | — |
| 2003 | 40° | 31° | 35° | — | — |
| 2002 | 62° | 28° | 45° | — | — |
| 2001 | 45° | 27° | 36° | — | — |
| 2000 | 61° | 50° | 55° | 0.08" | — |
| 1999 | 55° | 41° | 48° | — | — |
| 1998 | 51° | 45° | 48° | 0.1" | — |
| 1997 | 66° | 29° | 47° | — | — |
| 1996 | 48° | 25° | 36° | — | — |
| 1995 | 53° | 47° | 50° | — | — |
| 1994 | 72° | 36° | 54° | — | — |
| 1993 | 34° | 20° | 27° | — | — |
| 1992 | 50° | 45° | 47° | 0.05" | — |
| 1991 | 51° | 40° | 45° | 4.65" | — |
| 1990 | 51° | 38° | 44° | 0.81" | — |
| 1989 | 40° | 35° | 37° | 1.35" | 0.1" |
| 1988 | 55° | 29° | 42° | — | — |
| 1987 | 40° | 37° | 38° | 0.08" | — |
| 1986 | 68° | 47° | 57° | 0.15" | — |
| 1985 | 59° | 27° | 43° | 0.3" | — |
| 1984 | 70° | 32° | 51° | — | — |
| 1983 | 62° | 34° | 48° | — | — |
| 1982 | 62° | 47° | 54° | 0.05" | — |
| 1981 | 58° | 53° | 55° | 1.12" | — |
| 1980 | 48° | 18° | 33° | — | — |
| 1979 | 30° | 26° | 28° | 2.34" | 5.3" |
| 1978 | 45° | 34° | 39° | — | — |
| 1977 | 66° | 29° | 47° | — | — |
| 1976 | 65° | 48° | 56° | 4.01" | — |
| 1975 | 55° | 44° | 50° | 2.08" | — |
| 1974 | 60° | 30° | 45° | — | — |
| 1973coldest | 40° | 12° | 26° | — | — |
| 1972 | 46° | 34° | 40° | 1.6" | — |
| 1971 | 70° | 38° | 54° | — | — |
56 years of data from CHATTANOOGA AP